A breakfast cereal manufacturer purchases rolled oats from a supplier based in North Dakota. The supplier charges $1.2 per pound (lb) and $35 per delivery (no matter how much is delivered). The manufacturer's annual holding cost per is 35% of the purchase cost per pound (lb) of rolled oats. The manufacturer uses 5000 pounds (lbs) of rolled oats every week for the production of cereal. Assume that there are 52 weeks in a year. Required:
How many gallons should the cereal manufacturer order from his supplier with each order to minimize the cost of ordering and holding (Economic Order Quantity)?

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.